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    <title>clGetDeviceIDsFromD3D10KHR</title>
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      <div xmlns="" class="refnamediv">
        <a xmlns="http://www.w3.org/1999/xhtml" id="clGetDeviceIDsFromD3D10KHR"></a>
        <h1>clGetDeviceIDsFromD3D10KHR</h1>
        <p>Query the OpenCL devices corresponding to a Direct3D 10 device or a DXGI device.</p>
      </div>
      <div class="refsynopsisdiv">
        <h2></h2>
        <div class="funcsynopsis">
          <table xmlns="" border="0" summary="Function synopsis" cellspacing="0" cellpadding="0">
            <tr valign="bottom">
              <td>
                <code xmlns="http://www.w3.org/1999/xhtml" class="funcdef"><a class="link" href="scalarDataTypes.html" target="_top">cl_int</a> <strong class="fsfunc">clGetDeviceIDsFromD3D10KHR</strong>(</code>
                <td><a xmlns="http://www.w3.org/1999/xhtml" class="link" href="abstractDataTypes.html" target="_top">cl_platform_id</a> <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">platform</var>, </td>
              </td>
            </tr>
            <tr valign="top">
              <td> </td>
              <td><a xmlns="http://www.w3.org/1999/xhtml" class="link" href="enums.html#cl_d3d10_device_source_khr" target="_top">cl_d3d10_device_source_khr</a> <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">d3d_device_source</var>, </td>
            </tr>
            <tr valign="top">
              <td> </td>
              <td><a xmlns="http://www.w3.org/1999/xhtml" class="link" href="scalarDataTypes.html" target="_top">void</a> <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">*d3d_object</var>, </td>
            </tr>
            <tr valign="top">
              <td> </td>
              <td><a xmlns="http://www.w3.org/1999/xhtml" class="link" href="enums.html#cl_d3d10_device_set_khr" target="_top">cl_d3d10_device_set_khr</a> <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">d3d_device_set</var>, </td>
            </tr>
            <tr valign="top">
              <td> </td>
              <td><a xmlns="http://www.w3.org/1999/xhtml" class="link" href="scalarDataTypes.html" target="_top">cl_uint</a> <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">num_entries</var>, </td>
            </tr>
            <tr valign="top">
              <td> </td>
              <td><a xmlns="http://www.w3.org/1999/xhtml" class="link" href="abstractDataTypes.html" target="_top">cl_device_id</a> <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">*devices</var>, </td>
            </tr>
            <tr valign="top">
              <td> </td>
              <td><a xmlns="http://www.w3.org/1999/xhtml" class="link" href="scalarDataTypes.html" target="_top">cl_uint</a> <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">*num_devices</var><code>)</code></td>
            </tr>
          </table>
        </div>
      </div>
      <div class="refsect1">
        <a id="parameters"></a>
        <h2>Parameters</h2>
        <div class="variablelist">
          <dl class="variablelist">
            <dt>
              <span class="term">
                <code class="varname">platform</code>
              </span>
            </dt>
            <dd>
              <p>
                    Refers to the platform ID returned by 
                    <a class="citerefentry" href="clGetPlatformIDs.html"><span class="citerefentry"><span class="refentrytitle">clGetPlatformIDs</span></span></a>.
                </p>
            </dd>
            <dt>
              <span class="term">
                <code class="varname">d3d_device_source</code>
              </span>
            </dt>
            <dd>
              <p>
                    Specifies the type of <code class="varname">d3d_object</code> and may be one of the following:.
                </p>
              <div class="informaltable">
                <table border="1">
                  <colgroup>
                    <col align="left" class="col1" />
                    <col align="left" class="col2" />
                  </colgroup>
                  <thead>
                    <tr>
                      <th align="left">cl_d3d_device_source_khr</th>
                      <th align="left">Type of <code class="varname">d3d_object</code></th>
                    </tr>
                  </thead>
                  <tbody>
                    <tr>
                      <td align="left">
                        <code class="constant">CL_D3D10_DEVICE_KHR</code>
                      </td>
                      <td align="left">ID3D10Device *</td>
                    </tr>
                    <tr>
                      <td align="left">
                        <code class="constant">CL_D3D10_DXGI_ADAPTER_KHR</code>
                      </td>
                      <td align="left">IDXGIAdapter *</td>
                    </tr>
                  </tbody>
                </table>
              </div>
            </dd>
            <dt>
              <span class="term">
                <code class="varname">d3d_object</code>
              </span>
            </dt>
            <dd>
              <p>
                    Specifies the object whose corresponding OpenCL devices are being queried. The type of 
                    <code class="varname">d3d_object</code> must be as specified in the table above.
                </p>
            </dd>
            <dt>
              <span class="term">
                <code class="varname">d3d_device_set</code>
              </span>
            </dt>
            <dd>
              <p>
                    Specifies the set of devices to return, and must be one of the following:
                </p>
              <div class="informaltable">
                <table border="1">
                  <colgroup>
                    <col align="left" class="col1" />
                    <col align="left" class="col2" />
                  </colgroup>
                  <thead>
                    <tr>
                      <th align="left">cl_d3d_device_set_khr</th>
                      <th align="left">Devices returned in <code class="varname">devices</code></th>
                    </tr>
                  </thead>
                  <tbody>
                    <tr>
                      <td align="left">
                        <code class="constant">CL_PREFERRED_DEVICES_FOR_D3D10_KHR</code>
                      </td>
                      <td align="left">
                                The OpenCL devices associated with the specified Direct3D object.
                            </td>
                    </tr>
                    <tr>
                      <td align="left">
                        <code class="constant">CL_ALL_DEVICES_FOR_D3D10_KHR</code>
                      </td>
                      <td align="left">
                                All OpenCL devices which may interoperate with the specified Direct3D object. 
                                Performance of sharing data on these devices may be considerably less than on the
                                preferred devices.
                            </td>
                    </tr>
                  </tbody>
                </table>
              </div>
            </dd>
            <dt>
              <span class="term">
                <code class="varname">num_entries</code>
              </span>
            </dt>
            <dd>
              <p>
                    The number of cl_device entries that can be added to <code class="varname">devices</code>. If <code class="varname">devices</code> is not NULL, the <code class="varname">num_entries</code> must be greater than zero.
                </p>
            </dd>
            <dt>
              <span class="term">
                <code class="varname">devices</code>
              </span>
            </dt>
            <dd>
              <p>
                    A list of OpenCL devices found. The cl_device_id values returned in <code class="varname">devices</code> can be used to identify a specific OpenCL device. If <code class="varname">devices</code> is NULL, this argument is ignored. The number of OpenCL devices returned is the mininum of the value specified by <code class="varname">num_entries</code> and the number of OpenCL devices 
corresponding to <code class="varname">d3d_object</code>.
                </p>
            </dd>
            <dt>
              <span class="term">
                <code class="varname">num_devices</code>
              </span>
            </dt>
            <dd>
              <p>
                    The number of OpenCL devices available that correspond to <code class="varname">d3d_object</code>. If <code class="varname">num_devices</code> is NULL, this argument is ignored.
                </p>
            </dd>
          </dl>
        </div>
      </div>
      <div class="refsect1">
        <a id="notes"></a>
        <h2>Notes</h2>
        <p>The OpenCL devices corresponding to a Direct3D 10 device may be queried. The OpenCL
devices corresponding to a DXGI adapter may also be queried. The OpenCL devices
corresponding to a Direct3D 10 device will be a subset of the OpenCL devices corresponding to
the DXGI adapter against which the Direct3D 10 device was created.</p>
      </div>
      <div class="refsect1">
        <a id="errors"></a>
        <h2>Errors</h2>
        <p>
            Returns <span class="errorname">CL_SUCCESS</span> if the function is executed
successfully. Otherwise it may return:
        </p>
        <div class="itemizedlist">
          <ul class="itemizedlist" style="list-style-type: disc; ">
            <li class="listitem" style="list-style-type: disc"><span class="errorname">CL_INVALID_PLATFORM</span> if <code class="varname">platform</code> is not a valid platform.
            </li>
            <li class="listitem" style="list-style-type: disc"><span class="errorname">CL_INVALID_VALUE</span> if <code class="varname">d3d_device_source</code> is not a valid value,
                <code class="varname">d3d_device_set</code> is not a valid value, <code class="varname">num_entries</code> is equal to zero and
                <code class="varname">devices</code> is not NULL, or if both <code class="varname">num_devices</code> and <code class="varname">devices</code> 
                are NULL.
            </li>
            <li class="listitem" style="list-style-type: disc"><span class="errorname">CL_DEVICE_NOT_FOUND</span> if no OpenCL devices that correspond to 
                <code class="varname">d3d_object</code> were found.
            </li>
          </ul>
        </div>
      </div>
      <div class="refsect1">
        <a id="specification"></a>
        <h2>Specification</h2>
        <p><img src="pdficon_small1.gif" />
            <a href="http://www.khronos.org/registry/cl/specs/opencl-1.1.pdf#page=337" target="OpenCL Spec">OpenCL Specification</a>
        </p>
      </div>
      <div class="refsect1">
        <a id="seealso"></a>
        <h2>Also see</h2>
        <p>
            <a class="citerefentry" href="cl_khr_d3d10_sharing.html"><span class="citerefentry"><span class="refentrytitle">cl_khr_d3d10_sharing</span></span></a>,

            <a class="citerefentry" href="clCreateFromD3D10BufferKHR.html"><span class="citerefentry"><span class="refentrytitle">clCreateFromD3D10BufferKHR</span></span></a>, 
            <a class="citerefentry" href="clCreateFromD3D10Texture2DKHR.html"><span class="citerefentry"><span class="refentrytitle">clCreateFromD3D10Texture2DKHR</span></span></a>, 
            <a class="citerefentry" href="clCreateFromD3D10Texture3DKHR.html"><span class="citerefentry"><span class="refentrytitle">clCreateFromD3D10Texture3DKHR</span></span></a>, 
            <a class="citerefentry" href="clEnqueueAcquireD3D10ObjectsKHR.html"><span class="citerefentry"><span class="refentrytitle">clEnqueueAcquireD3D10ObjectsKHR</span></span></a>, 
            <a class="citerefentry" href="clEnqueueReleaseD3D10ObjectsKHR.html"><span class="citerefentry"><span class="refentrytitle">clEnqueueReleaseD3D10ObjectsKHR</span></span></a>
        </p>
      </div>
      <div xmlns="" class="refsect3" lang="en" xml:lang="en"><a xmlns="http://www.w3.org/1999/xhtml" id="Copyright"></a><h4 xmlns="http://www.w3.org/1999/xhtml"></h4>
            Copyright © 
    Copyright © 2007-2010 The Khronos Group Inc.
Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and/or associated documentation files (the
"Materials"), to deal in the Materials without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Materials, and to
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